Rear plate body of high-strength protection type tablet computer protection sleeve

The multi-layer composite structure of the back plate of the protective cover solves the problem of insufficient drop resistance of traditional protective covers, achieves high-strength and flexible contact protection, and improves the tablet's drop resistance and user experience.

CN223333317UActive Publication Date: 2025-09-12GUANGDONG XUNWEI NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202422662540.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-01
Publication Date
2025-09-12
Estimated Expiration
2034-11-01

AI Technical Summary

Technical Problem

Traditional tablet cases lack the strength and protection to effectively prevent damage from drops.

Method used

It adopts a multi-layer composite structure, including an outer PC layer, a glass fiber layer, a PMI foam layer, a carbon fiber layer and an inner TPU layer, which are bonded with glue to form a high-strength protective cover back plate, combined with a flexible TPU layer to improve the contact protection effect.

Benefits of technology

The overall structural strength of the protective cover is improved, the anti-drop effect is enhanced, and the flexible contact material prevents scratches and bumps on the tablet computer caused by hard contact, thereby improving the protection performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-strength protective type tablet personal computer protective sleeve rear plate body which comprises a plate body, the plate body further comprises an outer PC layer, the upper surface of the outer PC layer is bonded with a first-level glass fiber layer through glue, the upper surface of the first-level glass fiber layer is bonded with a PMI foam layer through glue, the upper surface of the PMI foam layer is bonded with a second-level glass fiber layer through glue, and the second-level glass fiber layer is bonded with a third-level glass fiber layer through glue. The upper surface of the secondary glass fiber layer is adhered with a carbon fiber layer through UV glue, and the upper surface of the carbon fiber layer is adhered with an inner TPU layer through glue. When the rear plate body structure of the tablet personal computer protective sleeve is used, the rear plate body structure can be used as an inner reinforcing structure of the protective sleeve; the rear plate body is connected with the outer PC layer, the first-level glass fiber layer, the PMI foam layer, the second-level glass limiting layer and the carbon fiber layer in the composite mode through the glue, the overall structural strength of the rear plate body can be effectively improved through the structural layers, the technical characteristic of high-strength use is achieved, meanwhile, the good anti-falling effect is achieved, and practicability is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of tablet computer protective cover plate structures, in particular to a high-strength protective tablet computer protective cover rear plate. Background Art

[0002] A tablet computer, also known as a portable computer, is a small, portable personal computer that uses a touch screen as its basic input device. It has a touch screen that allows users to use a stylus or digital pen to perform tasks instead of a traditional keyboard or mouse.

[0003] Most tablet computers are equipped with protective cases when in use to support or protect the tablet computer from falling. However, conventional tablet computer protective cases mostly have a single support plate structure inside. In actual use, the anti-fall strength and protective performance are insufficient, and the tablet computer cannot be better protected from falling. Therefore, the present invention proposes a composite high-strength protective tablet computer protective case rear plate. Utility Model Content

[0004] The purpose of the present invention is to provide a high-strength protective tablet computer cover rear plate to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a high-strength protective tablet computer case back plate, comprising a plate body, the plate body also comprising an outer PC layer, the upper surface of the outer PC layer being bonded with a primary glass fiber layer by glue, the upper surface of the primary glass fiber layer being bonded with a PMI foam layer by glue, the upper surface of the PMI foam layer being bonded with a secondary glass fiber layer by glue, the upper surface of the secondary glass fiber layer being bonded with a carbon fiber layer by UV glue, and the upper surface of the carbon fiber layer being bonded with an inner TPU layer by glue.

[0006] Preferably, the primary glass fiber layer and the secondary glass fiber layer are both medium-density glass fiber boards.

[0007] Preferably, the thickness of the primary glass fiber layer and the secondary glass fiber layer is 0.06 mm.

[0008] Preferably, the carbon fiber layer is composed of a combination of unidirectional vertically woven carbon fiber filaments, and the thickness of the carbon fiber layer is 0.06 mm.

[0009] Preferably, the thickness of the PMI foam layer is 0.1 mm.

[0010] Preferably, a lens slot is provided at a corner of the outer surface of the plate, and the four corners of the plate are all arc-shaped corners.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] The rear plate structure of the tablet computer protective cover of the utility model can be inserted and used as the internal reinforcement structure of the protective cover when in use. The rear plate of the utility model is compositely connected with an outer PC layer, a primary glass fiber layer, a PMI foam layer, a secondary glass limiting layer, and a carbon fiber layer by glue. The above-mentioned structural layers can effectively improve the overall structural strength of the rear plate, and have the technical characteristics of high-strength protection, and at the same time have good anti-fall effect and better practicality.

[0013] The inner TPU layer has flexible material properties and can be in direct contact with the tablet computer. It has certain flexible contact characteristics, which can improve the contact protection effect and avoid scratches and bumps on the outside of the tablet computer caused by hard contact, thereby better improving the internal contact protection effect of the board body, thereby having a protective contact effect and better usability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the composite connection structure of the plates according to an embodiment of the present utility model;

[0015] Figure 2 This is a schematic structural diagram of the plate structure layer separation state of an embodiment of the present utility model;

[0016] Figure 3 This is a schematic diagram of the internal braiding structure of the carbon fiber layer according to an embodiment of the present invention.

[0017] In the figure: 1. Board body; 101. Outer PC layer; 102. Primary glass fiber layer; 103. PMI foam layer; 104. Secondary glass fiber layer; 105. Carbon fiber layer; 106. Inner TPU layer; 2. Lens slot. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0020] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc. should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0021] See also Figure 1-3 The present invention provides an embodiment of a high-strength protective tablet computer case back plate, comprising a plate body 1, the plate body 1 further comprising an outer PC layer 101. The outer PC layer 101 is polycarbonate, a high molecular polymer. When used in the present invention, the PC material as the outer layer structure has high impact resistance, which can effectively improve the anti-drop structural strength of the protective plate.

[0022] The upper surface of the outer PC layer 101 is bonded with a primary glass fiber layer 102 by glue, the upper surface of the primary glass fiber layer 102 is bonded with a PMI foam layer 103 by glue, and the upper surface of the PMI foam layer 103 is bonded with a secondary glass fiber layer 104 by glue;

[0023] The present invention provides a PMI foam layer 103 between the two glass fiber layers 102. The PMI foam layer 103 can achieve a better lightweight use effect. At the same time, by coordinating the use of the two glass fiber layers 102, the internal structural strength of the board of the present invention can be effectively improved, thereby achieving a better use effect.

[0024] The upper surface of the secondary glass fiber layer 104 is adhered with a carbon fiber layer 105 by UV glue, and the upper surface of the carbon fiber layer 105 is adhered with an inner TPU layer 106 by glue;

[0025] The inner TPU layer 106 is thermoplastic polyurethane rubber. The TPU material is soft and can effectively contact the tablet computer when used in the present invention, thereby improving the contact effect with the tablet computer. It has certain flexible contact characteristics, which can improve the contact protection effect and avoid scratches and bumps on the outside of the tablet computer caused by hard contact, thereby better improving the internal contact protection effect of the board body and having better usability.

[0026] In this embodiment, the primary glass fiber layer 102 and the secondary glass fiber layer 104 are both medium-density glass fiber boards, wherein the thickness of the primary glass fiber layer 102 and the secondary glass fiber layer 104 is 0.06 mm;

[0027] The medium-density glass fiber layer has a uniform internal structure, moderate density, good dimensional stability, small deformation, and moderate physical and mechanical properties, which enables it to maintain stable performance in various environments, not easily deformed, and has good anti-deformation effect;

[0028] At the same time, the medium-density glass fiber layer has good static bending strength, planar tensile strength and elastic modulus due to its uniform fiber structure, which can effectively improve the internal strength of the board body of the present invention. By cooperating with the use of the carbon fiber layer 105, the rear board structure of the present invention has the technical characteristics of high-strength tensile resistance and lightweight use, while ensuring its own high-strength effect, it has a lighter weight and better practicality.

[0029] In this embodiment, please refer to the attached manual for details. Figure 3 As shown, the carbon fiber layer 105 is composed of a combination of unidirectional vertically woven carbon fiber filaments. The thickness of the carbon fiber layer 105 is 0.06 mm. The unidirectional vertically woven carbon fiber filaments give it good tensile strength in the vertical direction, thereby effectively improving the structural strength of the internal cover structure of the utility model while having a lighter weight.

[0030] In this embodiment, the thickness of the PMI foam layer 103 is 0.1 mm.

[0031] In this embodiment, in order to ensure the normal use of the tablet computer camera, a lens slot 2 is opened at a corner of the outer surface of the board body 1;

[0032] In order to improve the aesthetics, the four corners of the plate 1 are all arc-shaped.

[0033] Working principle: When in use, the utility model can be used as a rear cover reinforcement plate structure of a tablet computer support cover, and can be placed into the rear plate of the protective cover;

[0034] The utility model is provided with an outer PC layer 101, which is polycarbonate, a high molecular polymer. When used in the utility model, the PC material as the outer layer structure has high impact resistance, which can effectively improve the anti-fall structural strength of the guard plate;

[0035] At the same time, the present invention provides a PMI foam layer 103 between the two glass fiber layers 102, which can achieve a better lightweight use effect. At the same time, by coordinating the use of the two glass fiber layers 102, the internal structural strength of the board of the present invention can be effectively improved, thereby achieving a better use effect.

[0036] The medium-density glass fiber layer has a uniform internal structure, moderate density, good dimensional stability, small deformation, and moderate physical and mechanical properties, which enables it to maintain stable performance in various environments, not easily deformed, and has a good anti-deformation effect;

[0037] At the same time, the medium-density glass fiber layer has good static bending strength, planar tensile strength and elastic modulus due to its uniform fiber structure, which can effectively improve the internal strength of the board of the present invention. By cooperating with the use of the carbon fiber layer 105, the rear board structure of the present invention has the technical characteristics of high strength and tensile resistance and lightweight use, while ensuring its own high strength effect while having a lighter weight, and better practicality;

[0038] Finally, the present invention is provided with an inner TPU layer 106, i.e., thermoplastic polyurethane rubber. The TPU material is soft and can effectively contact the tablet computer when used in the present invention, thereby improving the contact effect with the tablet computer. It has certain flexible contact characteristics, which can improve the contact protection effect and avoid scratches and bumps on the outside of the tablet computer caused by hard contact, thereby better improving the internal contact protection effect of the board body and having better usability.

[0039] In summary, the rear plate structure of the tablet computer protective cover of the present invention can be inserted and used as the internal reinforcement structure of the protective cover when in use. The rear plate of the present invention is compositely connected with the outer PC layer 101, the primary glass fiber layer 102, the PMI foam layer 103, the secondary glass limiting layer 104 and the carbon fiber layer 105 by glue. The above-mentioned structural layers can effectively improve the overall structural strength of the rear plate, have the technical characteristics of high-strength use, and have good anti-fall effect and better practicality.

[0040] The inner TPU layer 106 has flexible material properties and can be in direct contact with the tablet computer. It has certain flexible contact characteristics, which can improve the contact protection effect and avoid scratches and bumps on the outside of the tablet computer caused by hard contact, thereby better improving the internal contact protection effect of the board body, thereby having a protective contact effect and better usability.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A high-strength protective tablet computer protective cover rear plate, comprising a plate (1), characterized in that: The plate body (1) further comprises an outer PC layer (101), the upper surface of the outer PC layer (101) being bonded with a primary glass fiber layer (102) by glue, the upper surface of the primary glass fiber layer (102) being bonded with a PMI foam layer (103) by glue, the upper surface of the PMI foam layer (103) being bonded with a secondary glass fiber layer (104) by glue, the upper surface of the secondary glass fiber layer (104) being bonded with a carbon fiber layer (105) by UV glue, and the upper surface of the carbon fiber layer (105) being bonded with an inner TPU layer (106) by glue.

2. The rear plate of a high-strength protective tablet computer case according to claim 1, characterized in that: The primary glass fiber layer (102) and the secondary glass fiber layer (104) are both medium-density glass fiber boards.

3. The rear plate of the high-strength protective tablet computer case according to claim 1, characterized in that: The thickness of the primary glass fiber layer (102) and the secondary glass fiber layer (104) is 0.06 mm.

4. The high-strength protective tablet computer case rear plate according to claim 1, characterized in that: The carbon fiber layer (105) is composed of a combination of unidirectional vertically woven carbon fiber filaments, and the thickness of the carbon fiber layer (105) is 0.06 mm.

5. The rear plate of a high-strength protective tablet computer case according to claim 1, characterized in that: The thickness of the PMI foam layer (103) is 0.1 mm.

6. The rear plate of a high-strength protective tablet computer case according to claim 1, characterized in that: A lens slot (2) is provided at a corner of the outer surface of the plate body (1), and all four corners of the plate body (1) are arc-shaped corners.